KR20030073952A - Reclining device of seat for vehicle - Google Patents

Reclining device of seat for vehicle Download PDF

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Publication number
KR20030073952A
KR20030073952A KR1020020013744A KR20020013744A KR20030073952A KR 20030073952 A KR20030073952 A KR 20030073952A KR 1020020013744 A KR1020020013744 A KR 1020020013744A KR 20020013744 A KR20020013744 A KR 20020013744A KR 20030073952 A KR20030073952 A KR 20030073952A
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KR
South Korea
Prior art keywords
tooth
cam
bracket
lower tooth
seat
Prior art date
Application number
KR1020020013744A
Other languages
Korean (ko)
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KR100446127B1 (en
Inventor
이원영
배영호
Original Assignee
주식회사다스
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Application filed by 주식회사다스 filed Critical 주식회사다스
Priority to KR10-2002-0013744A priority Critical patent/KR100446127B1/en
Priority to US10/247,832 priority patent/US6637821B2/en
Priority to AU2002324022A priority patent/AU2002324022B2/en
Publication of KR20030073952A publication Critical patent/KR20030073952A/en
Application granted granted Critical
Publication of KR100446127B1 publication Critical patent/KR100446127B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
    • B60N2/2352—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with external pawls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Abstract

PURPOSE: A seat reclining apparatus of a vehicle is provided to prevent physical injury of a user and to improve quality of the recliner by preventing an excessive operation of a seat back, noise and shock. CONSTITUTION: A seat reclining apparatus(50) comprises upper and lower tooth brackets(55,56), an actuator(60) and a cover plate(57). The upper tooth bracket is fixed to a lower end of a seat back frame. The lower tooth bracket is fixed to an inner end of a cushion frame. The actuator is included between upper and lower tooth brackets for reclining. The cover plate closes upper and lower tooth brackets and the actuator. The actuator includes an upper tooth(62), a lower tooth(64) and a pair of cams(66,67). The upper tooth is formed to an inner surface of an upper groove(61) of the upper tooth bracket. The lower tooth is formed to an outer surface of a protrusion(63) formed to the lower tooth bracket. Therein, the lower tooth is meshed the upper tooth. A pair of cams is inserted to a cam hole(65) in the middle of the lower tooth bracket to move the lower tooth toward a reclining direction. Consequently, cost is reduced by reducing parts of a recliner and physical injury of a user is prevented without noise and shock.

Description

자동차용 시트 리클라이닝 장치{Reclining device of seat for vehicle}Reclining device of seat for vehicle

본 발명은 자동차용 시트 리클라이닝 장치에 관한 것으로서 더욱 상세하게는 승차자의 체형에 맞게 자동차의 시트백을 전,후방향으로의 각도조절을 사용자가 작동시키는 만큼 연속적으로(Continuously)작동되도록 개선한 리클라이닝장치의 제공에 관한 것이다.The present invention relates to a seat reclining apparatus for an automobile, and more particularly, to a reclining apparatus that is improved to operate continuously as the user operates the angle adjustment of the seat back of the vehicle to the front and rear in accordance with the body of the rider. It is about giving.

자동차의 시트는 자동차 탑승자의 탑승자세를 유지하여주기 위한 것으로서 운전에 적합한 자세를 유지할 수 있도록 운전자 및 탑승자의 체형에 맞게 등받이를전,후방으로 각도조절되도록 하는 리클라이닝장치가 더 구비된다.The seat of the vehicle is to maintain the occupant attitude of the vehicle occupant and is further provided with a reclining apparatus to adjust the angle of the backrest to the front and rear to fit the driver and the occupant's body to maintain a posture suitable for driving.

이러한 리클라이닝장치는 자동차의 시트를 구성하는 쿠션프레임과 시트백프레임의 연접부위에 장착되어 측방으로 돌출되는 레버를 작동함으로서 시트백이 각도조절되도록 구성된다.The reclining apparatus is configured to be angle-adjusted to the seat back by operating a lever protruding laterally mounted on the connection between the cushion frame and the seat back frame constituting the seat of the vehicle.

이러한 종래기술이 적용되는 리클라이닝장치를 도 1,2를 통하여 살펴보면 다음과 같다.Looking at the reclining apparatus to which such a prior art is applied through FIGS.

자동차용 시트의 리클라이닝장치(1)는;The reclining apparatus 1 of the vehicle seat includes:

자동차 시트의 쿠션프레임의 내측단부에 고정되는 플레이트홀더(2)와 시트백프레임의 하단부에 고정할 수 있도록 어퍼브라켓(3)을 가지는 어퍼투스브라켓(4) 상간에 개재되는 작동자(5)와 플레이트홀더(2)의 외측에서 작동수단으로 결합되는 샤프트(6)와 작동레버(7), 레버스프링(8) 및 리턴스프링(9)으로 구성된다.An operator (5) and a plate interposed between the plate holder (2) fixed to the inner end of the cushion frame of the car seat and the upper bracket (4) having an upper bracket (3) to be fixed to the lower end of the seat back frame It consists of a shaft 6 and an actuating lever 7, a lever spring 8 and a return spring 9 which are coupled to the actuating means on the outside of the holder 2.

상기 작동자(5)는 플레이트홀더(2)와 어퍼투스브라켓(4) 사이의 공간부에 어퍼투스브라켓(4)에 형성되는 기어치(10)와 연접 및 이탈하여 리클라이닝과 언리클라이닝이 이루어질 수 있도록 기어치(11)를 형성한 로크기어(12)와;The operator 5 may be connected to and detached from the gear tooth 10 formed in the upper bracket 4 in a space between the plate holder 2 and the upper bracket 4 to allow reclining and unclining to be performed. A lock gear 12 having a gear tooth 11 so as to be formed;

상기 로크기어(12)를 움직여 어퍼투스브라켓(4)의 기어치(10)와 연접시키는 캠레버(13) 및 기어치(10)와 연접된 로크기어(12)를 이탈시키기 위한 캠플레이트(14)로 구성된다.The cam plate 14 for disengaging the cam lever 13 and the lock gear 12 connected to the gear tooth 10 to move the lock gear 12 to the gear tooth 10 of the upper tooth bracket 4. It is composed of

상기 캠레버(13)에는 로크기어(12)를 밀어주기 위한 캠(15)이 형성되고 로크기어(12)에는 캠(15)을 수용하기 위한 캠홈(16)이 형성된다.The cam lever 13 has a cam 15 for pushing the lock gear 12, and the cam gear 16 has a cam groove 16 for accommodating the cam 15.

상기 로크기어(12)와 캠레버(13)에 캠플레이트(14)와 결합하기 위한 돌기(17)가 형성되고, 상기 캠플레이트(14)에는 로크기어(12)에 형성된 돌기(17)를 수용하여 로크기어(12)를 후퇴시키기 위한 슬로트(18)를 형성하는 구성이다.Projections 17 are formed on the lock gear 12 and the cam lever 13 to engage the cam plate 14, and the cam plate 14 accommodates the protrusions 17 formed on the lock gear 12. In this way, the slot 18 for retracting the lock gear 12 is formed.

상기와 같은 종래기술의 리클라이닝장치는, 초기상태에는 리턴스프링과 레버스프링에 의하여 캠레버의 캠이 로크기어를 밀고 있는 상태에 있으므로 로크기어가 어퍼투스브라켓에 형성된 기어치와 맞물린 상태에 있다.In the reclining apparatus of the related art as described above, since the cam lever of the cam lever is pushing the lock gear by the return spring and the lever spring, the lock gear is engaged with the gear teeth formed on the upper tooth bracket.

이러한 상태에서 리클라이닝을 위해서는 작동레버를 당김으로서 샤프트가 회전하고 이에 결합된 캠레버가 회전하여 캠이 로크기어의 캠홈에 삽입되고, 캠플레이트의 슬로트가 로크기어의 돌기를 당겨 어퍼투스브라켓의 기어치와 맞물려 있는 로크기어를 이격시킴으로서 리클라이닝이 가능하게 되는 것이다.In this state, for reclining, the shaft rotates by pulling the operation lever, and the cam lever coupled to it rotates so that the cam is inserted into the cam groove of the lock gear, and the slot of the cam plate pulls the protrusion of the lock gear to the gear of the upper tooth bracket. The reclining can be achieved by separating the lock gear engaged with the teeth.

이러한 종래 기술에서는 리클라이너의 구성품이 많기 때문에 조립과 생산에 있어 상당한 문제점을 가지게 되고, 박판의 캠플레이트의 오조립으로 인한 작동불량과 같은 문제점을 가지게 된다.In this prior art, since there are many components of the recliner, there is a significant problem in assembly and production, and problems such as malfunction due to misassembly of the thin cam plate.

특히, 종래의 리클라이너는 리턴스프링에 의하여 시트백이 과격하게 작동하게 됨으로서 시트에 착석한 상태에서도 노약자의 경우에는 시트백이 전방으로 작동할 때 상당한 충격이 전도되는 부담이 있다.In particular, the conventional recliner has a burden that the seat back is operated radically by the return spring, so that even when the seated person is seated on the seat, a significant impact is conducted when the seat back operates forward.

그리고, 시트에 사람이 착석하지 않은 상태에서 작동레버를 당기게 되면 시트백이 급격하게 전방으로 회동하면서 "쿵"하는 상당한 소음과 충격이 발생함으로서 오조작으로 인한 신체적인 손상이 우려되는 등 상당한 문제점들이 대두되고 있는 실정이다.In addition, when the operating lever is pulled without seating on the seat, the seatback rotates forward rapidly, causing considerable noise and shock that causes a "knock". It's happening.

이에 본 발명에서는 상기와 같은 문제점들을 해결하기 위하여 발명된 것으로서 리클라이너를 구성하는 부품의 수를 줄이면서도 리클라이너 작동시 사용자가 제어하는 만큼만 작동되도록 하는 것을 특징으로 한다.Therefore, the present invention has been invented to solve the above problems, while reducing the number of parts constituting the recliner, it is characterized in that it operates only as much as the user controls during recliner operation.

이러한 본 발명은 리클라이너의 구성품을 줄여 원가절감과 생산성향상에 기여할 수 있게하는 것은 물론, 시트백이 과격하게 작동하거나 작동과정에서의 소음 발생 및 충격이 없도록 하여 사용자들의 신체적인 손상을 방지는 물론, 리클라이너 자체의 품질을 높이고 승차감의 향상에 기여할 수 있도록 하는데 목적이 있다.The present invention can reduce the components of the recliner to contribute to cost reduction and productivity, as well as to prevent the physical damage of the user by preventing the seat back from operating excessively or generating noise and impact during the operation, The purpose is to increase the quality of the recliner itself and contribute to the improvement of ride comfort.

도 1은 통상적인 자동차용 시트 리클라이닝장치가 적용된 것을 표현하여 도시한 자동차용 시트의 일부파절 상태사시도.1 is a partially broken state perspective view of a vehicle seat showing that a typical vehicle seat reclining apparatus is applied.

도 2는 종래 기술이 적용된 자동차용 시트 리클라이닝 장치를 분해하여 도시한 사시도.Figure 2 is an exploded perspective view showing a seat reclining apparatus for a vehicle to which the prior art is applied.

도 3은 본 발명의 기술이 적용된 자동차용 시트 리클라이닝 장치를 도시한 분해 사시도.Figure 3 is an exploded perspective view showing a seat reclining apparatus for a vehicle to which the technique of the present invention is applied.

도 4는 도 3에 적용된 자동차용 시트 리클라이닝 장치의 A - A선을 따라서 취한 정지시를 도시한 결합상태 단면도.4 is a cross-sectional view showing a state of stopping taken along line A-A of the vehicle seat reclining apparatus applied to FIG.

도 5는 도 4에 적용된 자동차용 시트 리클라이닝 장치의 B부위를 발췌하여 도시한 단면도.FIG. 5 is a cross-sectional view illustrating a portion B of the vehicle seat reclining apparatus applied to FIG. 4. FIG.

도 6는 도 3에 적용된 자동차용 시트 리클라이닝 장치의 A - A선을 따라서 취한 작동시를 도시한 결합상태 단면도.FIG. 6 is a cross-sectional view illustrating an operation taken along line A-A of the vehicle seat reclining apparatus applied to FIG. 3; FIG.

도 7은 도 6에 적용된 자동차용 시트 리클라이닝 장치의 C부위를 발췌하여 도시한 단면도.FIG. 7 is a cross-sectional view illustrating a portion C of the vehicle seat reclining apparatus applied to FIG. 6. FIG.

*도면의 주요 부분에 사용된 부호의 설명** Description of the symbols used in the main parts of the drawings *

50; 리클라이닝장치50; Reclining Device

55; 어퍼투스브라켓55; Upper Tooth Bracket

56; 로어투스브라켓56; Lower Tooth Bracket

60; 작동자60; Operator

62; 어퍼투스62; Upper Tooth

64; 로어투스64; Lowertus

65; 캠홀65; Camhole

66,67; 캠66,67; cam

85; 캠스프링85; Cam spring

이하 첨부되는 도면과 관련하여 상기 목적을 달성하기 위한 본 발명의 바람직한 실시예의 구성과 작용에 대하여 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the preferred embodiment of the present invention for achieving the above object.

도 3은 본 발명의 기술이 적용된 자동차용 시트 리클라이닝 장치를 도시한 분해 사시도, 도 4는 도 3에 적용된 자동차용 시트 리클라이닝 장치의 A - A선을 따라서 취한 정지시를 도시한 결합상태 단면도, 도 5는 도 4에 적용된 자동차용 시트 리클라이닝 장치의 B부위를 발췌하여 도시한 단면도, 도 6는 도 3에 적용된 자동차용 시트 리클라이닝 장치의 A - A선을 따라서 취한 작동시를 도시한 결합상태 단면도, 도 7은 도 6에 적용된 자동차용 시트 리클라이닝 장치의 C부위를 발췌하여 도시한 단면도로서 함께 설명한다.Figure 3 is an exploded perspective view showing a seat reclining apparatus for a vehicle to which the technique of the present invention is applied, Figure 4 is a cross-sectional view showing a state of engagement taken along the line A-A of the vehicle seat reclining apparatus applied to Figure 3, 5 is a cross-sectional view showing a portion B of the automobile seat reclining apparatus applied to Figure 4, Figure 6 is a cross-sectional view showing the operation taken along the line A-A of the automotive seat reclining apparatus applied to Figure 3, FIG. 7 is a cross-sectional view illustrating the C portion of the seat reclining apparatus for automobiles applied to FIG. 6.

본 발명의 기술이 적용되는 자동차용 리클라이닝장치(50)는;Automotive reclining apparatus 50 to which the technique of the present invention is applied;

시트쿠션과 시트백으로 구성되는 자동차용 시트의 시트백프레임의 하단부에 고정되는 어퍼투스브라켓(55)과 쿠션프레임의 내측단부에 고정되는 로어투스브라켓(56)과;An upper tooth bracket 55 fixed to the lower end of the seat back frame of the vehicle seat including a seat cushion and a seat back and a lower tooth bracket 56 fixed to the inner end of the cushion frame;

상기 어퍼투스브라켓(55)과 로어투스브라켓(56)상간에 개재되어 실질적인 리클라이닝이 가능하게 하는 작동자(60)와;An operator (60) interposed between the upper bracket (55) and the lower tooth bracket (56) to enable substantial reclining;

상기 어퍼투스브라켓(55)과 로어투스브라켓(56)와 작동자(60)를 마감하는 커버플레이트(57)로 구성된다.The upper plate bracket 55, the lower plate bracket 56 and the cover plate 57 for closing the operator 60 is configured.

상기 작동자(60)는 어퍼투스브라켓(55)에 원형으로 함입되게 형성한 어퍼홈(61)의 내면에는 어퍼투스(Upper Tooth;62)를 형성하고, 상기 로어투스브라켓(56)에 돌출시켜 어퍼홈(61)에 수용될 수 있도록 형성하는 돌출부(63)의 외면에는 어퍼투스(62)와 맞물리도록 하는 로어투스(Lower Tooth;64)를 형성한다.The operator 60 forms an upper tooth 62 on an inner surface of the upper groove 61 formed to be circularly embedded in the upper bracket 55, and protrudes from the lower tooth bracket 56. A lower tooth 64 is formed on an outer surface of the protrusion 63 formed to be accommodated in the upper groove 61 so as to be engaged with the upper tooth 62.

상기 로어투스(64)의 잇수는 어퍼투스(62)가 가지는 잇수보다 작은 잇수를 가지도록 하여 로어투스(64)의 회전에 대하여 어퍼투스(62)의 위치가 가변되도록 함으로서 시트백(52)의 리클라이닝이 이루어지도록 한다.The number of teeth of the lower tooth 64 is smaller than the number of teeth of the upper tooth 62 so that the position of the upper tooth 62 changes with respect to the rotation of the lower tooth 64, thereby reclining the seatback 52. Let this be done.

상기 로어투스(64)가 형성되는 로어투스브라켓(56)의 중앙에는 캠홀(65)을 형성하여 로어투스(64)를 리클라이닝하고자 하는 방향으로 움직이기 위한 한쌍의 캠(66,67)을 결합한다.A cam hole 65 is formed at the center of the lower tooth bracket 56 where the lower tooth 64 is formed to couple a pair of cams 66 and 67 to move the lower tooth 64 in a direction to recliner. .

상기 캠(66,67)은 동일한 형상을 가지는 한 쌍을 서로 엇갈리게 결합하여 작동할 수 있도록 하는데 대향측을 연동시키고 작동노브나 구동모터와 같은 작동수단(70)과 연결되는 작동축(71)이 결합될 수 있는 축공(72)을 형성한다.The cams 66 and 67 are coupled to each other so that the pairs having the same shape can be alternately coupled to each other so that the operating shafts 71 interlocked with the opposite side and connected to the operating means 70 such as the operating knob or the driving motor are provided. It forms a shaft hole 72 that can be engaged.

상기 축공(72)의 외측에는 어퍼투스브라켓(55)과 커버플레이트(57)에 형성되는 유지홀(73)에 안정된 상태로 삽입되어 중심을 유지하기 위한 보스(74)를 형성한다.The outer side of the shaft hole 72 is inserted into the holding hole 73 formed in the upper bracket 55 and the cover plate 57 in a stable state to form a boss 74 for maintaining the center.

상기 보스(74)의 대향측에는 캠홀(65)과 연접되는 반원 형상의 캠면(75)을 형성하고, 상기 캠면(75)은 캠홀(65)의 중심(P)과는 편심(P1)을 가지도록 하여 편심(P1)의 최대위치가 캠홀(65)과 연접되어 쇄기역할을 수행하도록 한다.On the opposite side of the boss 74, a semicircular cam surface 75 is formed to be in contact with the cam hole 65, and the cam surface 75 has an eccentric P1 with the center P of the cam hole 65. The maximum position of the eccentric (P1) is in contact with the cam hole 65 to perform the role of a wedge.

상기 캠면(75)의 내측에는 단차(76)를 두어 캠면(75)의 대향측에 캠면(75)보다 작은 직경으로 형성되는 정원부(77)가 서로 접촉할 수 있도록하고, 상기 축공(72)에는 작동축(71)에 일체로 형성되는 키(80)에 의하여 작동방향의 캠(66,67)이 움직일 수 있도록 하는 키홈(81)을 형성한다.A step 76 is provided inside the cam surface 75 so that the garden portion 77 formed with a diameter smaller than the cam surface 75 on the opposite side of the cam surface 75 can contact each other, and the shaft hole 72 is provided. The key groove 81 is formed to allow the cams 66 and 67 in the operation direction to move by the key 80 integrally formed on the operation shaft 71.

상기 캠(66,67)에는 스프링공(82)을 형성하여 캠(66,67)을 캠홀(65)의 외측방향으로 당겨주는 캠스프링(85)을 결합하여 구성한다.The cams 66 and 67 are formed by combining a cam spring 85 that forms a spring hole 82 to pull the cams 66 and 67 outward of the cam hole 65.

상기와 같은 본 발명의 리클라이닝장치(50)의 작동관계를 살펴보면 정지상태와 작동상태로 구분되며, 작동상태는 시트백이 전방이나 후방 어느방향이든 상관없이 작동상태로 본다.Looking at the operating relationship of the reclining apparatus 50 of the present invention as described above is divided into a stationary state and an operating state, the operating state is viewed as the operating state regardless of whether the seat back in the front or rear direction.

정지상태에서는 도 4에서와 같이 로어투스브라켓(56)에 형성되는 캠홀(65)에 삽입되어 있는 캠(66,67)이 캠스프링(85)에 의하여 캠홀(65)의 외측방향(←→)으로 캠(66,67)을 당기게 되므로 캠(66,67)역시 캠홀(65)의 외측방향(←→)으로 벌어지게 된다.In the stationary state, as shown in FIG. 4, the cams 66 and 67 inserted into the cam holes 65 formed in the lower tooth bracket 56 are moved outwards (← →) of the cam holes 65 by the cam springs 85. Since the cams 66 and 67 are pulled out, the cams 66 and 67 are also opened in the outward direction (← →) of the cam hole 65.

이때, 한 쌍의 캠(66,67)중 도면상 우측에 위치한 캠(67)이 작동축(71)과 편심된 상태에 있으므로 캠(66,67)이 좌,우측으로 벌어지면 로어투스(64)가 아래방향으로 밀려 내려오게 되므로 도 5에서와 같이 맞물리는 부위의 어퍼투스(62)와 로어투스(64)에 갭이 없어지게 된다.At this time, since the cam 67 located on the right side of the pair of cams 66 and 67 is eccentric with the operating shaft 71, when the cams 66 and 67 open to the left and the right, the lower teeth 64 ) Is pushed downward so that there is no gap in the upper tooth 62 and the lower tooth 64 of the engaging portion as shown in FIG. 5.

상기와 같이 어퍼투스(62)와 로어투스(64)의 맞물린 부위의 갭이 없어지므로 시트백이 정지상태에서 유동하거거나 그로인한 이음발생이 없어지게 되며, 쾌적한승차감을 유지할 수 있게된다.As described above, the gap between the engagement portion of the upper tooth 62 and the lower tooth 64 is eliminated, so that the seatback flows in a stationary state or thereby, no joint occurs, and thus a comfortable riding comfort can be maintained.

이러한 상태에서 리클라이닝장치(50)를 작동시키고자 할 경우에는 도 6에 도시된 바와같이 작동축(71)의 외측단부에 연결된 작동수단(70)을 시트백을 작동시키고자 하는 방향으로 작동시키면 시트백이 리클라이닝되는 것이다.When the reclining apparatus 50 is to be operated in such a state, as shown in FIG. 6, when the actuating means 70 connected to the outer end of the actuating shaft 71 is operated in the direction to actuate the seatback, It is reclining.

물론, 이 때 작동수단(70)은 사용자가 직접 회전시켜야 하는 노브일 수 있고 스위치에 의하여 정,역방향으로 회전하는 모터로 구비하여도 됨은 당연할 것이며, 본 발명에서는 예시적으로 작동축(71)을 도명상 우측방향으로 회전시키는 것을 설명한다.Of course, in this case, the actuating means 70 may be a knob that the user needs to rotate directly, and may be provided as a motor that rotates in a forward and reverse direction by a switch. It will be described to rotate in the right direction.

작동수단(70)을 이용하여 작동축(71)을 도면상 우측방향으로 회전시키면 작동축(71)이 회전하면서 키(80)가 키홈(81)을 따라 역시 우측방향으로 회전하면서 좌측에 위치한 캠(66)을 우측방향으로 치게된다.When the operating shaft 71 is rotated to the right in the drawing by using the operating means 70, the cam is positioned on the left side while the operating shaft 71 rotates while the key 80 rotates to the right along the key groove 81. Hit 66 to the right.

그러면, 캠(66)은 로어투스(64)에 형성되는 캠홀(65)과 이격되어 공간이 발생하게 되고, 동시에 작동축(71)이 계속하여 회전함과 아울러 캠스프링(85)이 캠(66,67)을 계속하여 벌어지도록 힘을 받기 때문에 우측의 캠(67)은 빈공간으로 진입하면서 화살표(↑)방향으로 회전하게 된다.Then, the cam 66 is spaced apart from the cam hole 65 formed in the lower tooth 64, the space is generated, and at the same time the operating shaft 71 continues to rotate and the cam spring 85 is the cam 66 Since the force 67 is continuously opened, the cam 67 on the right side rotates in the direction of the arrow ↑ while entering the empty space.

상기와 같이 작동축(71)에 의하여 캠(66,67)이 로어투스(64)에 형성된 캠홀(65)을 따라 회전함으로서 로어투스(64)가 어퍼투스(62)와 맞물려 회전함으로서 시트백이 자연스럽게 리클라이닝 되는 것이다.As described above, the cams 66 and 67 are rotated along the cam holes 65 formed in the lower tooth 64 by the operating shaft 71, so that the lower tooth 64 meshes with the upper tooth 62 to rotate the seat back. Reclining.

물론, 상기 시트백을 반대방향으로 리클라이닝시키고자 할 경우에는 작동수단(70)을 반대방향으로 회전시킴으로서 가능하게 된다.Of course, when reclining the seatback in the opposite direction, it is possible to rotate the operating means 70 in the opposite direction.

이상과 같은 본 발명은 리클라이너를 구성하는 부품의 수를 줄여 원가절감과 생산성향상에 기여할 수 있게하는 것은 물론, 원활한 작동성으로 시트백이 과격하게 작동하거나 작동과정에서의 소음 발생 및 충격이 없기 때문에 사용자들의 신체적인 손상을 방지하고 리클라이너의 품질을 높일 수 있는 등 다양한 효과를 얻을 수 있다.The present invention as described above can reduce the number of parts constituting the recliner to contribute to cost reduction and productivity improvement, as well as the smooth operation of the seat back, there is no noise or impact during operation There are various effects such as preventing the physical damage of users and improving the quality of the recliner.

Claims (2)

시트쿠션과 시트백으로 구성되는 자동차용 시트의 시트백프레임과 쿠션프레임의 단부에 설치되어 시트백을 전,후방향으로 각조절하는 자동차용 리클라이닝장치(50)를 구성함에 있어서;In the configuration of the vehicle reclining device 50 is installed at the end of the seat back frame and cushion frame of the car seat composed of a seat cushion and a seat back to adjust the seat back in the front and rear directions; 상기 리클라이닝장치(50)는 시트백프레임의 하단부에 고정되는 어퍼투스브라켓(55)과 상기 쿠션프레임의 내측단부에 고정되는 로어투스브라켓(56)과;The reclining apparatus 50 includes an upper tooth bracket 55 fixed to the lower end of the seat back frame and a lower tooth bracket 56 fixed to the inner end of the cushion frame; 상기 어퍼투스브라켓(55)과 로어투스브라켓(56)상간에 리클라이닝을 위하여 개재되는 작동자(60)와;An operator (60) interposed between the upper bracket (55) and the lower bracket (56) for reclining; 상기 어퍼투스브라켓(55)과 로어투스브라켓(56)와 작동자(60)를 마감하는 커버플레이트(57)로 구성하고;A cover plate 57 for closing the upper tooth bracket 55, the lower tooth bracket 56, and the operator 60; 상기 작동자(60)는 어퍼투스브라켓(55)에 원형으로 함입되게 형성한 어퍼홈(61)의 내면에 형성하는 어퍼투스(62)와;The actuator 60 includes an upper tooth 62 formed on an inner surface of an upper groove 61 formed to be circularly embedded in the upper bracket 55; 상기 로어투스브라켓(56)에서 어퍼투스브라켓(55)방향으로 돌출시켜 어퍼홈(61)에 수용될 수 있도록 형성하는 돌출부(63)의 외면에 형성하여 어퍼투스(62)와 맞물리게 하는 로어투스(64)와;The lower tooth bracket 56 is formed on the outer surface of the protrusion 63 formed to protrude in the upper tooth bracket 55 direction so as to be accommodated in the upper groove 61 to engage with the upper tooth 62. 64); 상기 로어투스브라켓(56)의 중앙에 형성하는 캠홀(65)에 삽입되어 로어투스(64)를 리클라이닝 방향으로 움직이는 한쌍의 캠(66,67)을 포함하고;A pair of cams (66,67) inserted into a cam hole (65) formed at the center of the lower tooth bracket (56) to move the lower tooth (64) in the reclining direction; 상기 캠(66,67)은 작동축(71) 결합을 위하여 형성하는 축공(72)과 보스(74);The cam (66, 67) is the shaft hole 72 and the boss (74) formed for coupling the working shaft (71); 상기 보스(74)의 대향측에 형성하여 캠홀(65)과 연접되고 캠홀(65)의중심(P)과는 편심(P1)을 가지도록 형성하는 쇄기역할을 하는 캠면(75)과;A cam surface 75 formed on an opposite side of the boss 74 so as to be connected to the cam hole 65 and formed to have an eccentricity P1 with the center P of the cam hole 65; 상기 캠면(75)의 내측에는 단차(76)를 두어 캠면(75)의 대향측에 캠면(75)보다 작게 형성되어 서로 접촉하는 정원부(77)와;A garden portion 77 having a step 76 inside the cam surface 75 and smaller than the cam surface 75 on the opposite side of the cam surface 75 to be in contact with each other; 상기 작동축(71)에 형성되는 키(80)에 의하여 작동방향의 캠(66,67)이 움직일 수 있도록 하는 축공(72)에 형성하는 키홈(81)을 포함하고;A key groove (81) formed in the shaft hole (72) for allowing the cams (66, 67) in the operation direction to move by the key (80) formed on the operating shaft (71); 상기 캠(66,67)에 형성되는 스프링공(82)에는 캠(66,67)을 캠홀(65)의 외측방향으로 당겨주는 캠스프링(85)을 결합하여 구성한 것을 특징으로 하는 자동차용 시트 리클라이닝 장치.Automotive seat reclining, characterized in that the spring (82) formed in the cam (66, 67) is coupled to the cam spring 85 for pulling the cam (66, 67) in the outward direction of the cam hole (65) Device. 제 1 항에 있어서;The method of claim 1; 상기 로어투스(64)의 잇수는 어퍼투스(62)가 가지는 잇수보다 작은 잇수를 가지도록 하여 로어투스(64)의 회전에 대하여 어퍼투스(62)의 위치가 가변되도록 하는 것을 특징으로 하는 자동차용 시트 리클라이닝 장치.The number of teeth of the lower tooth 64 has a smaller number of teeth than that of the upper tooth 62 so that the position of the upper tooth 62 is variable with respect to the rotation of the lower tooth 64. Seat reclining device.
KR10-2002-0013744A 2002-03-14 2002-03-14 Reclining device of seat for vehicle KR100446127B1 (en)

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US10/247,832 US6637821B2 (en) 2002-03-14 2002-09-20 Seat reclining device for vehicle
AU2002324022A AU2002324022B2 (en) 2002-03-14 2002-12-31 Seat reclining device for vehicle

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US6637821B2 (en) 2003-10-28
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US20030173810A1 (en) 2003-09-18

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